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SubjectRe: [PATCH] Document: typo fix in mm.txt
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Date
Finally know why I have this wrong understanding according to private
discussion.

Sorry for the noise

--
Sincerely,
Cao jin

On 01/15/2018 11:36 AM, Cao jin wrote:
> Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
> ---
> Documentation/x86/x86_64/mm.txt | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Documentation/x86/x86_64/mm.txt b/Documentation/x86/x86_64/mm.txt
> index ea91cb61a602..8d09b6e5eb3f 100644
> --- a/Documentation/x86/x86_64/mm.txt
> +++ b/Documentation/x86/x86_64/mm.txt
> @@ -2,7 +2,7 @@
> Virtual memory map with 4 level page tables:
>
> 0000000000000000 - 00007fffffffffff (=47 bits) user space, different per mm
> -hole caused by [47:63] sign extension
> +hole caused by [48:63] sign extension
> ffff800000000000 - ffff87ffffffffff (=43 bits) guard hole, reserved for hypervisor
> ffff880000000000 - ffffc7ffffffffff (=64 TB) direct mapping of all phys. memory
> ffffc80000000000 - ffffc8ffffffffff (=40 bits) hole
>



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